Other Assets - Components of Other Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Money market investments related to the deferred compensation plan	$ 5,698	$ 4,827
Long-term equity investments	20,915	21,242
Other long-term assets	2,099	1,522
Long-term investments and marketable securities	0	2,588
Long-term debt issuance cost	4,460	0
Deposits	1,195	1,174
Total	$ 34,367	$ 31,353